Interview

Best Practice: Need-based Ventilation Control

9.11.2020

Interview with Christoph Andexlinger, Chief Operations Officer

The most important function of a ventilation system is to ensure a comfortable room temperature and good air quality while consuming a minimum amount of energy. In order to achieve such a goal, SES relies on need-based ventilation control.

What makes the need-based ventilation control system at SES centers so special?
Christoph Andexlinger ››› We use it to optimize the operating mode of our ventilation systems by means of sensors and special regulation and control strategies in order to ensure good indoor air quality. This approach goes much further than an operation based on a schedule or system pressure.
It is essential that we take thermal setpoint specifications into account and reduce the air volume flow. This ventilation control system has been implemented at our shopping centers as well as at the INTERSPAR and Maximarkt stores.

What are the advantages of such a system?
Christoph Andexlinger ››› On the one hand, the indoor air is adapted to the requirements and, on the other hand, the energy consumption of the shopping center is reduced. Consistent air quality in the centers can result in energy savings. If the air quality is good, our customers will feel better, and the time that they spend at the centers will be longer.

How does the use of this system affect the environment?
Christoph Andexlinger ››› Ventilation systems with need-based ventilation control were in operation at six SES centers prior to 2019. Such systems can save up to approximately 50% in electricity compared to conventional control. In 2019, two systems were put into operation at MURPARK Graz, which saved 123,000 kWh of electricity, and the same ventilation control system has been installed at four other centers. We are planning to retrofit two more centers in 2020, so electricity savings will significantly increase again this year.

 

 

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